0.99.1

• Fixed ncurses widgets drawing at start up
• Fixed locale files management
• Detecting the backend now tests also DISPLAY/WAYLAND_DISPLAY and PKEXEC_UID variables
• Centering pop up dialogs related to the main windows (works on X11 only)
• Added selection box visibility management
• Added new showContent method to checkBoxFrame to show/hide frame content
• Added helpText (tooltip) management to CheckBox, InputField, RadioButton, Tree
  CheckBoxFrame, IntField, MultiLineEdit, SelectionBox, Slider,DateField, TimeField
• Added mnemonic label for gtk widgets: YCheckBoxGtk, YRadioButtonGtk, YCheckBoxFrameGtk
• Redesigned Classic About Dialog